The AVR LIBC v1.7.1 and greater has their own definition
of round().
Change-Id: I6b1578a7df4c47c6301fc24d91067c2198f035ff
Signed-off-by: Adam Hampson <ahampson@google.com>
The Arduino 0022 hardware and libraries directory from the
full source drop. It's unchanged from the original.
Signed-off-by: Mike J. Chen <mjchen@google.com>